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1; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 | FileCheck --check-prefixes=ALL %s2; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx | FileCheck --check-prefixes=ALL,AVX %s3 4; Don't need to preserve registers before using them.5define preserve_nonecc double @preserve_nonecc1() nounwind {6entry:7;ALL-LABEL: preserve_nonecc18;ALL-NOT: movq %rax9;ALL-NOT: movq %rbx10;ALL-NOT: movq %rcx11;ALL-NOT: movq %rdx12;ALL-NOT: movq %rsi13;ALL-NOT: movq %rdi14;ALL-NOT: movq %r815;ALL-NOT: movq %r916;ALL-NOT: movq %r1017;ALL-NOT: movq %r1118;ALL-NOT: movq %r1219;ALL-NOT: movq %r1320;ALL-NOT: movq %r1421;ALL-NOT: movq %r1522;ALL-NOT: movaps %xmm123;ALL-NOT: movaps %xmm024;AVX-NOT: vmovups %ymm125;AVX-NOT: vmovups %ymm026;ALL-NOT: movq {{.*}}, %rax27;ALL-NOT: movq {{.*}}, %rbx28;ALL-NOT: movq {{.*}}, %rcx29;ALL-NOT: movq {{.*}}, %rdx30;ALL-NOT: movq {{.*}}, %rsi31;ALL-NOT: movq {{.*}}, %rdi32;ALL-NOT: movq {{.*}}, %r833;ALL-NOT: movq {{.*}}, %r934;ALL-NOT: movq {{.*}}, %r1035;ALL-NOT: movq {{.*}}, %r1136;ALL-NOT: movq {{.*}}, %r1237;ALL-NOT: movq {{.*}}, %r1338;ALL-NOT: movq {{.*}}, %r1439;ALL-NOT: movq {{.*}}, %r1540;ALL-NOT: movaps {{.*}} %xmm041;ALL-NOT: movaps {{.*}} %xmm142;AVX-NOT: vmovups {{.*}} %ymm043;AVX-NOT: vmovups {{.*}} %ymm144 call void asm sideeffect "", "~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15},~{rbp},~{xmm0},~{xmm1},~{xmm2},~{xmm3},~{xmm4},~{xmm5},~{xmm6},~{xmm7},~{xmm8},~{xmm9},~{xmm10},~{xmm11},~{xmm12},~{xmm13},~{xmm14},~{xmm15}"()45 ret double 0.46}47 48; Save/restore live registers across preserve_none function call.49declare preserve_nonecc double @bar_double(i64, i64)50define void @preserve_nonecc2() nounwind {51entry:52;ALL-LABEL: preserve_nonecc253;ALL: movq %rax54;ALL: movq %rcx55;ALL: movq %rdx56;ALL: movq %r857;ALL: movq %r958;ALL: movq %r1059;ALL: movq %r1160;ALL: movaps %xmm061;ALL: movaps %xmm162;ALL: movaps %xmm263;ALL: movaps %xmm364;ALL: movaps %xmm465;ALL: movaps %xmm566;ALL: movaps %xmm667;ALL: movaps %xmm768;ALL: movaps %xmm869;ALL: movaps %xmm970;ALL: movaps %xmm1071;ALL: movaps %xmm1172;ALL: movaps %xmm1273;ALL: movaps %xmm1374;ALL: movaps %xmm1475;ALL: movaps %xmm1576;ALL: movq {{.*}}, %rax77;ALL: movq {{.*}}, %rcx78;ALL: movq {{.*}}, %rdx79;ALL: movq {{.*}}, %r880;ALL: movq {{.*}}, %r981;ALL: movq {{.*}}, %r1082;ALL: movq {{.*}}, %r1183;ALL: movaps {{.*}} %xmm084;ALL: movaps {{.*}} %xmm185;ALL: movaps {{.*}} %xmm286;ALL: movaps {{.*}} %xmm387;ALL: movaps {{.*}} %xmm488;ALL: movaps {{.*}} %xmm589;ALL: movaps {{.*}} %xmm690;ALL: movaps {{.*}} %xmm791;ALL: movaps {{.*}} %xmm892;ALL: movaps {{.*}} %xmm993;ALL: movaps {{.*}} %xmm1094;ALL: movaps {{.*}} %xmm1195;ALL: movaps {{.*}} %xmm1296;ALL: movaps {{.*}} %xmm1397;ALL: movaps {{.*}} %xmm1498;ALL: movaps {{.*}} %xmm1599 %a0 = call i64 asm sideeffect "", "={rax}"() nounwind100 %a1 = call i64 asm sideeffect "", "={rcx}"() nounwind101 %a2 = call i64 asm sideeffect "", "={rdx}"() nounwind102 %a3 = call i64 asm sideeffect "", "={r8}"() nounwind103 %a4 = call i64 asm sideeffect "", "={r9}"() nounwind104 %a5 = call i64 asm sideeffect "", "={r10}"() nounwind105 %a6 = call i64 asm sideeffect "", "={r11}"() nounwind106 %a10 = call <2 x double> asm sideeffect "", "={xmm0}"() nounwind107 %a11 = call <2 x double> asm sideeffect "", "={xmm1}"() nounwind108 %a12 = call <2 x double> asm sideeffect "", "={xmm2}"() nounwind109 %a13 = call <2 x double> asm sideeffect "", "={xmm3}"() nounwind110 %a14 = call <2 x double> asm sideeffect "", "={xmm4}"() nounwind111 %a15 = call <2 x double> asm sideeffect "", "={xmm5}"() nounwind112 %a16 = call <2 x double> asm sideeffect "", "={xmm6}"() nounwind113 %a17 = call <2 x double> asm sideeffect "", "={xmm7}"() nounwind114 %a18 = call <2 x double> asm sideeffect "", "={xmm8}"() nounwind115 %a19 = call <2 x double> asm sideeffect "", "={xmm9}"() nounwind116 %a20 = call <2 x double> asm sideeffect "", "={xmm10}"() nounwind117 %a21 = call <2 x double> asm sideeffect "", "={xmm11}"() nounwind118 %a22 = call <2 x double> asm sideeffect "", "={xmm12}"() nounwind119 %a23 = call <2 x double> asm sideeffect "", "={xmm13}"() nounwind120 %a24 = call <2 x double> asm sideeffect "", "={xmm14}"() nounwind121 %a25 = call <2 x double> asm sideeffect "", "={xmm15}"() nounwind122 call preserve_nonecc double @bar_double(i64 1, i64 2)123 call void asm sideeffect "", "{rax},{rcx},{rdx},{r8},{r9},{r10},{r11},{xmm0},{xmm1},{xmm2},{xmm3},{xmm4},{xmm5},{xmm6},{xmm7},{xmm8},{xmm9},{xmm10},{xmm11},{xmm12},{xmm13},{xmm14},{xmm15}"(i64 %a0, i64 %a1, i64 %a2, i64 %a3, i64 %a4, i64 %a5, i64 %a6, <2 x double> %a10, <2 x double> %a11, <2 x double> %a12, <2 x double> %a13, <2 x double> %a14, <2 x double> %a15, <2 x double> %a16, <2 x double> %a17, <2 x double> %a18, <2 x double> %a19, <2 x double> %a20, <2 x double> %a21, <2 x double> %a22, <2 x double> %a23, <2 x double> %a24, <2 x double> %a25)124 ret void125}126